Several fly mutations are called vg(vesigial) black (b) and pr (purple). Vg affects the wings, b the body color and pr the eye color. The wild type allele is denote by + (ex. vg+) and the mutant allele with just its name (ex. vg). You perform the following cross: vg […]

Question: In garden peas, the genes for pod color ans stem length are on different chromosomes. Green pod color is dominant; yellow is recessive. Long stems are dominant; short stems are recessive. When a true-breeding plant with green pods and long stems is crossed with a plant with yellow pods and […]

Module- Case Stress and the Cardiovascular and Digestive Systems Note: If you have trouble viewing some of the course materials, install Quicktime and the Adobe Shockwave Player, both of which can be downloaded free from the Internet. Case Assignment In this Case Assignment, you will address the following in a […]

A hybrid car is a motor vehicle that uses two or more different sources of power. In most hybrids, you will find an internal combustion engine in addition to an electrical motor. Depending on how the vehicle is driven and the availability of power, the car uses gasoline and battery […]